If you're Italian, one problem when looking for Triumph literature is the difficulty to get any in your language. If you're not confident with English, there are really few books that may help you and this, written by Eros talking about the "sister" Spitfire and GT6, is one of them. (By Alessandro Maschi)

This document is written in Italian, you can have a hint about its content by using Google Translator and loading the PDF file.
If you'd like to have a proper translation in English write to redazione@triumphinitaly.it and we'll do our best to do it.